Home / 93,242.03-139,864.02-74,640.31

Finding the Fourth Proportional to 93,242.03, 139,864.02 and 74,640.31

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Solution

The fourth proportional to 93,242.03, 139,864.02 and 74,640.31 is: 111,961.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,242.03 : 139,864.02 = 74,640.31 : x
  2. Step 2: Convert to fraction form
    93,242.03/139,864.02 = 74,640.31/x
  3. Step 3: Cross multiply
    93,242.03x = 139,864.02 × 74,640.31
  4. Step 4: Simplify right side
    93,242.03x = 10,439,494,345.44
  5. Step 5: Solve for x
    x = 10,439,494,345.44/93,242.03
  6. Step 6: Final answer
    x = 111,961.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.